Harvard biologist Peter Girguis to present "Life on the Edge" Sept. 25 Peter Girguis, assistant professor at Harvard University, will present a public lecture, "Life on the Edge: Three Decades of Discovery at Hydrothermal Vents". Thu, 14 Sep 2006 12:00:00 -0800 events,community,peter girguis,events,community,environment,science, Thu, 14 Sep 2006 12:00:00 -0800